/Engine/Plugins/AI/MassAI/Source/MassAIBehavior/Public/MassStateTreeSubsystem.h
A subsystem managing StateTree assets in Mass
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)() class UMassStateTreeSubsystem : public [UWorldSubsystem](API\Runtime\Engine\Subsystems\UWorldSubsystem)
TArray<FMassSt...
InstanceDataArray
TArray< int32 >
InstanceDataFreelist